Tim van Rooijen

• Led the Implementation of a Managed Kubernetes Platform: Led the setup and deployment of a managed Kubernetes platform using Gardener. This platform allows customers to easily create and manage their own clusters, significantly enhancing our cloud platform's service offerings and user experience.
• Managed CI/CD Pipelines with GitHub Actions: Took full responsibility for overseeing and maintaining all CI/CD pipelines across the organization’s tools and applications using GitHub Actions, ensuring efficient and reliable deployment processes that optimized operational performance.
• Enhanced In-House Python Application: Maintained and improved a critical in-house Python application for our cloud platform, ensuring robust performance and reliability while introducing new features that boosted operational efficiency and service quality.

• Successfully introduced Terraform as an infrastructure as code (IAC) tool to the organization, resulting in a more efficient and consistent environment deployment process.
• Led the implementation of Kubernetes-based infrastructure for deploying and scaling applications in the organization.

Responsibilities

• Lead developer on the web platform for the biggest cinema in the Netherlands.
• Working with an international team on multiple Umbraco MVC projects mostly in the travel and energy sector.
• Contact customers to gather requirements, outline websites design and agree on project planning.

Achievements

• Created API handling ticket sales for over 30 cinemas.
• Built an ELK stack logging cluster capable of analyzing millions of requests per day.
• Transformed application infrastructure from a monolithic application approach to a micro service architecture.
• Implemented a Redis cache improving application performance by 20%

• Full stack ASP.NET MVC web development on a claims registration system.
• Creating a CI-CD pipeline for multiple applications

• Create time registration application as graduation assignment
• Graduating with 90% Score
• Training clients in use of Crystal reports.
• Building ASP.NET web applications
• Maintaining ERP software build in Progress 4gl